龙眼是我国南方亚热带名贵果树．但现在龙眼栽培的品种成熟期过分集中．早、晚熟品种极少．为了调整现有龙眼品种结构趋于更合理，需选育、培育成熟期配套的品种供龙眼生产上推广应用．八十年代我所在开展龙眼优良新品种选育工作中，筛选出成熟期早、果大质优、丰产稳产的... Longan is a subtropical fruit tree in southern China. However, cultivars of longan cultivars are over-concentrated at the mature stage. Early and late varieties rarely. In order to adjust the structure of the existing longan varieties tend to be more reasonable, need to breed, cultivate mature varieties supporting longan production on the promotion and application. In the eighties, I am going to carry out selection and breeding of excellent new varieties of longan, screening out the mature early, the fruit of high quality, high and stable yield ...